High Temperature Insulation 99% 96% Alumina Ceramic Sheet Al2O3 Ceramic Substrate

Ceramic Substrate: The Backbone of Modern Electronics and Beyond

1. What is a Ceramic Substrate?

A ceramic substrate is a thin, flat plate made from inorganic, non-metallic materials (e.g., alumina, aluminum nitride, or silicon carbide). It serves as a critical base for mounting electronic components, offering superior thermal, electrical, and mechanical properties compared to organic substrates like FR4.

2. Key Properties

·High Thermal Conductivity (e.g., AlN: 150–200 W/mK) – Efficient heat dissipation for power electronics.

·Electrical Insulation – Prevents short circuits in high-voltage applications.

·Mechanical Strength – Resists warping, corrosion, and thermal shock.

·Low CTE (Coefficient of Thermal Expansion) – Matches semiconductors (e.g., Si, GaN), reducing stress in devices.

3. Applications

   -Electronics:

      Power Modules: IGBTs, EV inverters (e.g., Tesla’s battery systems).

      LEDs: Alumina substrates for heat management in high-brightness LEDs.

      5G/6G: LTCC substrates for millimeter-wave antennas.

  - Automotive: Engine control units, LiDAR sensors.

   -Aerospace: Satellite communication systems.

   -Medical: Implantable devices (biocompatible ceramics).

4. Why Choose Ceramic Over Organic Substrates?

   Reliability: Longer lifespan in harsh conditions.

   Performance: Better high-frequency signal integrity.

   Thermal Management: Critical for EVs and AI chips.

Ceramic Properties

Production process

1. Grind and crush the raw materials to be slurry or powder

2. se-different method to making the slurry or powder into semi-finished products

3. Put the semi-finished products into the kiln for dewaxing and sintering;

4. After forming and sintering, Ceramic Sleeves products can also be processed by subsequent CNC precision machining according to the drawing requirements. Then Q/C test.

5. Finally package Ceramic Sleeves by bubble paper or cartons and place it on tray for delivery

Certifications

Our customers

Packaging and shipping

Transport

FAQ：

Q: Do you have the products in stock? 

A: Some standard produce have in stock, such as ceramic band heater insulator; bobbin heater insulator and ceramic connector. But it needs to check according to your requirement.

Q: How do you pack the goods?

A: Our standard packaging is carton, we can customize it as per your requirement as well.

Q: How many days do you finish the sample?

A: Usually 15 business days (Including 8days for making furnaces and 7days for producing samples)